code: def corpus(self, tasks_base_path):
      return ClassificationCorpus(tasks_base_path / "imdb_underscore")
  
file_path: flair/tests/models/test_tars_classifier.py
imports: import pytest
  from flair.data import Sentence
  from flair.datasets import ClassificationCorpus
  from flair.embeddings import TransformerDocumentEmbeddings
  from flair.models import TARSClassifier
  from tests.model_test_utils import BaseModelTest
label_desc: Use image node_id 1 for calling the TestTarsClassifier obj's underlying member method code with example usage: obj.corpus(tasks_base_path) and returns: ClassificationCorpus